<template>
  <div class="icons">
    <swiper :options="swiperOption" >
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl"></div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
       </swiper-slide>
   </swiper>
  </div>
</template>

<script>

export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        loop: true,
        autoplay: false,
        disableOnInteraction: false
      }
    }
  },
  computed: { // 计算属性
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
 @import '~@/assets/styles/varibles.styl'
 @import '~@/assets/styles/mixins.styl'
  .icons >>> .swiper-container
    overflow: hidden
    height: 0
    padding-bottom: 50%
  .icon
    position: relative
    overflow: hidden
    height: 0
    float:left
    width:25%
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing: border-box
      padding: 0.1rem
      .icon-img-content
        display: block
        margin: 0 auto
        height: 80%
    .icon-desc
      position: absolute
      left: 0
      right: 0
      bottom: 0
      height: 0.44rem
      line-height: 0.44rem
      text-align: center
      font-size: .26rem
      color: $darkTextColor
      ellipsis()
</style>
